Crystallography originated from mineralogy and mineralogy could not have evolved from an empirical discipline to a comprehensive science without the mathematical and atomistic approach characteristic of crystallography. Yet, in many university curricula mineralogical crystallography is a shrinking intersection domain, like the end stage of a mitosis generating the two heterozygous disciplines. Indeed, with mineralogy trying to mutate in order to survive in a fashion-driven world which tends to consider it a heritage of the past, and crystallography victim of the success of automatic equipments and software packages, mineralogical crystallography does not get much of the spotlight. Reactions against this forgetfulness...